package zhtt.service;

import org.springframework.stereotype.Service;
import zhtt.entity.Expression;

/**
 * Created by zhtt on 2016/10/28.
 */
@Service
public class ExpressionService {

    /**
     * 查出默认的表达式
     * @return
     */
    public Expression getExpression(){
        Expression expression=new Expression();
        return expression;
    }
}
